2 * This file contains the handling of command.
3 * It prepares command and sends it to firmware when it is ready.
6 #include <net/iw_handler.h>
7 #include <net/ieee80211.h>
8 #include <linux/kfifo.h>
18 static struct cmd_ctrl_node
*lbs_get_cmd_ctrl_node(struct lbs_private
*priv
);
22 * @brief Simple callback that copies response back into command
24 * @param priv A pointer to struct lbs_private structure
25 * @param extra A pointer to the original command structure for which
26 * 'resp' is a response
27 * @param resp A pointer to the command response
29 * @return 0 on success, error on failure
31 int lbs_cmd_copyback(struct lbs_private
*priv
, unsigned long extra
,
32 struct cmd_header
*resp
)
34 struct cmd_header
*buf
= (void *)extra
;
37 copy_len
= min(le16_to_cpu(buf
->size
), le16_to_cpu(resp
->size
));
38 memcpy(buf
, resp
, copy_len
);
41 EXPORT_SYMBOL_GPL(lbs_cmd_copyback
);
44 * @brief Simple callback that ignores the result. Use this if
45 * you just want to send a command to the hardware, but don't
46 * care for the result.
49 * @param extra ignored
52 * @return 0 for success
54 static int lbs_cmd_async_callback(struct lbs_private
*priv
, unsigned long extra
,
55 struct cmd_header
*resp
)
62 * @brief Checks whether a command is allowed in Power Save mode
64 * @param command the command ID
65 * @return 1 if allowed, 0 if not allowed
67 static u8
is_command_allowed_in_ps(u16 cmd
)
79 * @brief Updates the hardware details like MAC address and regulatory region
81 * @param priv A pointer to struct lbs_private structure
83 * @return 0 on success, error on failure
85 int lbs_update_hw_spec(struct lbs_private
*priv
)
87 struct cmd_ds_get_hw_spec cmd
;
92 lbs_deb_enter(LBS_DEB_CMD
);
94 memset(&cmd
, 0, sizeof(cmd
));
95 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
96 memcpy(cmd
.permanentaddr
, priv
->current_addr
, ETH_ALEN
);
97 ret
= lbs_cmd_with_response(priv
, CMD_GET_HW_SPEC
, &cmd
);
101 priv
->fwcapinfo
= le32_to_cpu(cmd
.fwcapinfo
);
103 /* The firmware release is in an interesting format: the patch
104 * level is in the most significant nibble ... so fix that: */
105 priv
->fwrelease
= le32_to_cpu(cmd
.fwrelease
);
106 priv
->fwrelease
= (priv
->fwrelease
<< 8) |
107 (priv
->fwrelease
>> 24 & 0xff);
109 /* Some firmware capabilities:
110 * CF card firmware 5.0.16p0: cap 0x00000303
111 * USB dongle firmware 5.110.17p2: cap 0x00000303
113 lbs_pr_info("%s, fw %u.%u.%up%u, cap 0x%08x\n",
114 print_mac(mac
, cmd
.permanentaddr
),
115 priv
->fwrelease
>> 24 & 0xff,
116 priv
->fwrelease
>> 16 & 0xff,
117 priv
->fwrelease
>> 8 & 0xff,
118 priv
->fwrelease
& 0xff,
120 lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
121 cmd
.hwifversion
, cmd
.version
);
123 /* Clamp region code to 8-bit since FW spec indicates that it should
124 * only ever be 8-bit, even though the field size is 16-bit. Some firmware
125 * returns non-zero high 8 bits here.
127 priv
->regioncode
= le16_to_cpu(cmd
.regioncode
) & 0xFF;
129 for (i
= 0; i
< MRVDRV_MAX_REGION_CODE
; i
++) {
130 /* use the region code to search for the index */
131 if (priv
->regioncode
== lbs_region_code_to_index
[i
])
135 /* if it's unidentified region code, use the default (USA) */
136 if (i
>= MRVDRV_MAX_REGION_CODE
) {
137 priv
->regioncode
= 0x10;
138 lbs_pr_info("unidentified region code; using the default (USA)\n");
141 if (priv
->current_addr
[0] == 0xff)
142 memmove(priv
->current_addr
, cmd
.permanentaddr
, ETH_ALEN
);
144 memcpy(priv
->dev
->dev_addr
, priv
->current_addr
, ETH_ALEN
);
146 memcpy(priv
->mesh_dev
->dev_addr
, priv
->current_addr
, ETH_ALEN
);
148 if (lbs_set_regiontable(priv
, priv
->regioncode
, 0)) {
153 if (lbs_set_universaltable(priv
, 0)) {
159 lbs_deb_leave(LBS_DEB_CMD
);
163 int lbs_host_sleep_cfg(struct lbs_private
*priv
, uint32_t criteria
)
165 struct cmd_ds_host_sleep cmd_config
;
168 cmd_config
.hdr
.size
= cpu_to_le16(sizeof(cmd_config
));
169 cmd_config
.criteria
= cpu_to_le32(criteria
);
170 cmd_config
.gpio
= priv
->wol_gpio
;
171 cmd_config
.gap
= priv
->wol_gap
;
173 ret
= lbs_cmd_with_response(priv
, CMD_802_11_HOST_SLEEP_CFG
, &cmd_config
);
175 lbs_deb_cmd("Set WOL criteria to %x\n", criteria
);
176 priv
->wol_criteria
= criteria
;
178 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret
);
183 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg
);
185 static int lbs_cmd_802_11_ps_mode(struct cmd_ds_command
*cmd
,
188 struct cmd_ds_802_11_ps_mode
*psm
= &cmd
->params
.psmode
;
190 lbs_deb_enter(LBS_DEB_CMD
);
192 cmd
->command
= cpu_to_le16(CMD_802_11_PS_MODE
);
193 cmd
->size
= cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode
) +
195 psm
->action
= cpu_to_le16(cmd_action
);
196 psm
->multipledtim
= 0;
197 switch (cmd_action
) {
198 case CMD_SUBCMD_ENTER_PS
:
199 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
201 psm
->locallisteninterval
= 0;
202 psm
->nullpktinterval
= 0;
204 cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM
);
207 case CMD_SUBCMD_EXIT_PS
:
208 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
211 case CMD_SUBCMD_SLEEP_CONFIRMED
:
212 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
219 lbs_deb_leave(LBS_DEB_CMD
);
223 int lbs_cmd_802_11_inactivity_timeout(struct lbs_private
*priv
,
224 uint16_t cmd_action
, uint16_t *timeout
)
226 struct cmd_ds_802_11_inactivity_timeout cmd
;
229 lbs_deb_enter(LBS_DEB_CMD
);
231 cmd
.hdr
.command
= cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT
);
232 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
234 cmd
.action
= cpu_to_le16(cmd_action
);
236 if (cmd_action
== CMD_ACT_SET
)
237 cmd
.timeout
= cpu_to_le16(*timeout
);
241 ret
= lbs_cmd_with_response(priv
, CMD_802_11_INACTIVITY_TIMEOUT
, &cmd
);
244 *timeout
= le16_to_cpu(cmd
.timeout
);
246 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
250 int lbs_cmd_802_11_sleep_params(struct lbs_private
*priv
, uint16_t cmd_action
,
251 struct sleep_params
*sp
)
253 struct cmd_ds_802_11_sleep_params cmd
;
256 lbs_deb_enter(LBS_DEB_CMD
);
258 if (cmd_action
== CMD_ACT_GET
) {
259 memset(&cmd
, 0, sizeof(cmd
));
261 cmd
.error
= cpu_to_le16(sp
->sp_error
);
262 cmd
.offset
= cpu_to_le16(sp
->sp_offset
);
263 cmd
.stabletime
= cpu_to_le16(sp
->sp_stabletime
);
264 cmd
.calcontrol
= sp
->sp_calcontrol
;
265 cmd
.externalsleepclk
= sp
->sp_extsleepclk
;
266 cmd
.reserved
= cpu_to_le16(sp
->sp_reserved
);
268 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
269 cmd
.action
= cpu_to_le16(cmd_action
);
271 ret
= lbs_cmd_with_response(priv
, CMD_802_11_SLEEP_PARAMS
, &cmd
);
274 lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, "
275 "calcontrol 0x%x extsleepclk 0x%x\n",
276 le16_to_cpu(cmd
.error
), le16_to_cpu(cmd
.offset
),
277 le16_to_cpu(cmd
.stabletime
), cmd
.calcontrol
,
278 cmd
.externalsleepclk
);
280 sp
->sp_error
= le16_to_cpu(cmd
.error
);
281 sp
->sp_offset
= le16_to_cpu(cmd
.offset
);
282 sp
->sp_stabletime
= le16_to_cpu(cmd
.stabletime
);
283 sp
->sp_calcontrol
= cmd
.calcontrol
;
284 sp
->sp_extsleepclk
= cmd
.externalsleepclk
;
285 sp
->sp_reserved
= le16_to_cpu(cmd
.reserved
);
288 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
292 int lbs_cmd_802_11_set_wep(struct lbs_private
*priv
, uint16_t cmd_action
,
293 struct assoc_request
*assoc
)
295 struct cmd_ds_802_11_set_wep cmd
;
298 lbs_deb_enter(LBS_DEB_CMD
);
300 memset(&cmd
, 0, sizeof(cmd
));
301 cmd
.hdr
.command
= cpu_to_le16(CMD_802_11_SET_WEP
);
302 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
304 cmd
.action
= cpu_to_le16(cmd_action
);
306 if (cmd_action
== CMD_ACT_ADD
) {
309 /* default tx key index */
310 cmd
.keyindex
= cpu_to_le16(assoc
->wep_tx_keyidx
&
311 CMD_WEP_KEY_INDEX_MASK
);
313 /* Copy key types and material to host command structure */
314 for (i
= 0; i
< 4; i
++) {
315 struct enc_key
*pkey
= &assoc
->wep_keys
[i
];
319 cmd
.keytype
[i
] = CMD_TYPE_WEP_40_BIT
;
320 memmove(cmd
.keymaterial
[i
], pkey
->key
, pkey
->len
);
321 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i
);
323 case KEY_LEN_WEP_104
:
324 cmd
.keytype
[i
] = CMD_TYPE_WEP_104_BIT
;
325 memmove(cmd
.keymaterial
[i
], pkey
->key
, pkey
->len
);
326 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i
);
331 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
338 } else if (cmd_action
== CMD_ACT_REMOVE
) {
339 /* ACT_REMOVE clears _all_ WEP keys */
341 /* default tx key index */
342 cmd
.keyindex
= cpu_to_le16(priv
->wep_tx_keyidx
&
343 CMD_WEP_KEY_INDEX_MASK
);
344 lbs_deb_cmd("SET_WEP: remove key %d\n", priv
->wep_tx_keyidx
);
347 ret
= lbs_cmd_with_response(priv
, CMD_802_11_SET_WEP
, &cmd
);
349 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
353 int lbs_cmd_802_11_enable_rsn(struct lbs_private
*priv
, uint16_t cmd_action
,
356 struct cmd_ds_802_11_enable_rsn cmd
;
359 lbs_deb_enter(LBS_DEB_CMD
);
361 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
362 cmd
.action
= cpu_to_le16(cmd_action
);
364 if (cmd_action
== CMD_ACT_GET
)
368 cmd
.enable
= cpu_to_le16(CMD_ENABLE_RSN
);
370 cmd
.enable
= cpu_to_le16(CMD_DISABLE_RSN
);
371 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable
);
374 ret
= lbs_cmd_with_response(priv
, CMD_802_11_ENABLE_RSN
, &cmd
);
375 if (!ret
&& cmd_action
== CMD_ACT_GET
)
376 *enable
= le16_to_cpu(cmd
.enable
);
378 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
382 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet
*keyparam
,
385 lbs_deb_enter(LBS_DEB_CMD
);
387 if (key
->flags
& KEY_INFO_WPA_ENABLED
)
388 keyparam
->keyinfo
|= cpu_to_le16(KEY_INFO_WPA_ENABLED
);
389 if (key
->flags
& KEY_INFO_WPA_UNICAST
)
390 keyparam
->keyinfo
|= cpu_to_le16(KEY_INFO_WPA_UNICAST
);
391 if (key
->flags
& KEY_INFO_WPA_MCAST
)
392 keyparam
->keyinfo
|= cpu_to_le16(KEY_INFO_WPA_MCAST
);
394 keyparam
->type
= cpu_to_le16(TLV_TYPE_KEY_MATERIAL
);
395 keyparam
->keytypeid
= cpu_to_le16(key
->type
);
396 keyparam
->keylen
= cpu_to_le16(key
->len
);
397 memcpy(keyparam
->key
, key
->key
, key
->len
);
399 /* Length field doesn't include the {type,length} header */
400 keyparam
->length
= cpu_to_le16(sizeof(*keyparam
) - 4);
401 lbs_deb_leave(LBS_DEB_CMD
);
404 int lbs_cmd_802_11_key_material(struct lbs_private
*priv
, uint16_t cmd_action
,
405 struct assoc_request
*assoc
)
407 struct cmd_ds_802_11_key_material cmd
;
411 lbs_deb_enter(LBS_DEB_CMD
);
413 cmd
.action
= cpu_to_le16(cmd_action
);
414 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
416 if (cmd_action
== CMD_ACT_GET
) {
417 cmd
.hdr
.size
= cpu_to_le16(S_DS_GEN
+ 2);
419 memset(cmd
.keyParamSet
, 0, sizeof(cmd
.keyParamSet
));
421 if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY
, &assoc
->flags
)) {
422 set_one_wpa_key(&cmd
.keyParamSet
[index
],
423 &assoc
->wpa_unicast_key
);
427 if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY
, &assoc
->flags
)) {
428 set_one_wpa_key(&cmd
.keyParamSet
[index
],
429 &assoc
->wpa_mcast_key
);
433 /* The common header and as many keys as we included */
434 cmd
.hdr
.size
= cpu_to_le16(offsetof(typeof(cmd
),
435 keyParamSet
[index
]));
437 ret
= lbs_cmd_with_response(priv
, CMD_802_11_KEY_MATERIAL
, &cmd
);
438 /* Copy the returned key to driver private data */
439 if (!ret
&& cmd_action
== CMD_ACT_GET
) {
440 void *buf_ptr
= cmd
.keyParamSet
;
441 void *resp_end
= &(&cmd
)[1];
443 while (buf_ptr
< resp_end
) {
444 struct MrvlIEtype_keyParamSet
*keyparam
= buf_ptr
;
446 uint16_t param_set_len
= le16_to_cpu(keyparam
->length
);
447 uint16_t key_len
= le16_to_cpu(keyparam
->keylen
);
448 uint16_t key_flags
= le16_to_cpu(keyparam
->keyinfo
);
449 uint16_t key_type
= le16_to_cpu(keyparam
->keytypeid
);
452 end
= (void *)keyparam
+ sizeof(keyparam
->type
)
453 + sizeof(keyparam
->length
) + param_set_len
;
455 /* Make sure we don't access past the end of the IEs */
459 if (key_flags
& KEY_INFO_WPA_UNICAST
)
460 key
= &priv
->wpa_unicast_key
;
461 else if (key_flags
& KEY_INFO_WPA_MCAST
)
462 key
= &priv
->wpa_mcast_key
;
466 /* Copy returned key into driver */
467 memset(key
, 0, sizeof(struct enc_key
));
468 if (key_len
> sizeof(key
->key
))
470 key
->type
= key_type
;
471 key
->flags
= key_flags
;
473 memcpy(key
->key
, keyparam
->key
, key
->len
);
479 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
484 * @brief Set an SNMP MIB value
486 * @param priv A pointer to struct lbs_private structure
487 * @param oid The OID to set in the firmware
488 * @param val Value to set the OID to
490 * @return 0 on success, error on failure
492 int lbs_set_snmp_mib(struct lbs_private
*priv
, u32 oid
, u16 val
)
494 struct cmd_ds_802_11_snmp_mib cmd
;
497 lbs_deb_enter(LBS_DEB_CMD
);
499 memset(&cmd
, 0, sizeof (cmd
));
500 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
501 cmd
.action
= cpu_to_le16(CMD_ACT_SET
);
502 cmd
.oid
= cpu_to_le16((u16
) oid
);
505 case SNMP_MIB_OID_BSS_TYPE
:
506 cmd
.bufsize
= cpu_to_le16(sizeof(u8
));
507 cmd
.value
[0] = (val
== IW_MODE_ADHOC
) ? 2 : 1;
509 case SNMP_MIB_OID_11D_ENABLE
:
510 case SNMP_MIB_OID_FRAG_THRESHOLD
:
511 case SNMP_MIB_OID_RTS_THRESHOLD
:
512 case SNMP_MIB_OID_SHORT_RETRY_LIMIT
:
513 case SNMP_MIB_OID_LONG_RETRY_LIMIT
:
514 cmd
.bufsize
= cpu_to_le16(sizeof(u16
));
515 *((__le16
*)(&cmd
.value
)) = cpu_to_le16(val
);
518 lbs_deb_cmd("SNMP_CMD: (set) unhandled OID 0x%x\n", oid
);
523 lbs_deb_cmd("SNMP_CMD: (set) oid 0x%x, oid size 0x%x, value 0x%x\n",
524 le16_to_cpu(cmd
.oid
), le16_to_cpu(cmd
.bufsize
), val
);
526 ret
= lbs_cmd_with_response(priv
, CMD_802_11_SNMP_MIB
, &cmd
);
529 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
534 * @brief Get an SNMP MIB value
536 * @param priv A pointer to struct lbs_private structure
537 * @param oid The OID to retrieve from the firmware
538 * @param out_val Location for the returned value
540 * @return 0 on success, error on failure
542 int lbs_get_snmp_mib(struct lbs_private
*priv
, u32 oid
, u16
*out_val
)
544 struct cmd_ds_802_11_snmp_mib cmd
;
547 lbs_deb_enter(LBS_DEB_CMD
);
549 memset(&cmd
, 0, sizeof (cmd
));
550 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
551 cmd
.action
= cpu_to_le16(CMD_ACT_GET
);
552 cmd
.oid
= cpu_to_le16(oid
);
554 ret
= lbs_cmd_with_response(priv
, CMD_802_11_SNMP_MIB
, &cmd
);
558 switch (le16_to_cpu(cmd
.bufsize
)) {
560 if (oid
== SNMP_MIB_OID_BSS_TYPE
) {
561 if (cmd
.value
[0] == 2)
562 *out_val
= IW_MODE_ADHOC
;
564 *out_val
= IW_MODE_INFRA
;
566 *out_val
= cmd
.value
[0];
569 *out_val
= le16_to_cpu(*((__le16
*)(&cmd
.value
)));
572 lbs_deb_cmd("SNMP_CMD: (get) unhandled OID 0x%x size %d\n",
573 oid
, le16_to_cpu(cmd
.bufsize
));
578 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
583 * @brief Get the min, max, and current TX power
585 * @param priv A pointer to struct lbs_private structure
586 * @param curlevel Current power level in dBm
587 * @param minlevel Minimum supported power level in dBm (optional)
588 * @param maxlevel Maximum supported power level in dBm (optional)
590 * @return 0 on success, error on failure
592 int lbs_get_tx_power(struct lbs_private
*priv
, s16
*curlevel
, s16
*minlevel
,
595 struct cmd_ds_802_11_rf_tx_power cmd
;
598 lbs_deb_enter(LBS_DEB_CMD
);
600 memset(&cmd
, 0, sizeof(cmd
));
601 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
602 cmd
.action
= cpu_to_le16(CMD_ACT_GET
);
604 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RF_TX_POWER
, &cmd
);
606 *curlevel
= le16_to_cpu(cmd
.curlevel
);
608 *minlevel
= le16_to_cpu(cmd
.minlevel
);
610 *maxlevel
= le16_to_cpu(cmd
.maxlevel
);
613 lbs_deb_leave(LBS_DEB_CMD
);
618 * @brief Set the TX power
620 * @param priv A pointer to struct lbs_private structure
621 * @param dbm The desired power level in dBm
623 * @return 0 on success, error on failure
625 int lbs_set_tx_power(struct lbs_private
*priv
, s16 dbm
)
627 struct cmd_ds_802_11_rf_tx_power cmd
;
630 lbs_deb_enter(LBS_DEB_CMD
);
632 memset(&cmd
, 0, sizeof(cmd
));
633 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
634 cmd
.action
= cpu_to_le16(CMD_ACT_SET
);
635 cmd
.curlevel
= cpu_to_le16(dbm
);
637 lbs_deb_cmd("SET_RF_TX_POWER: %d dBm\n", dbm
);
639 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RF_TX_POWER
, &cmd
);
641 lbs_deb_leave(LBS_DEB_CMD
);
645 static int lbs_cmd_802_11_monitor_mode(struct cmd_ds_command
*cmd
,
646 u16 cmd_action
, void *pdata_buf
)
648 struct cmd_ds_802_11_monitor_mode
*monitor
= &cmd
->params
.monitor
;
650 cmd
->command
= cpu_to_le16(CMD_802_11_MONITOR_MODE
);
652 cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode
) +
655 monitor
->action
= cpu_to_le16(cmd_action
);
656 if (cmd_action
== CMD_ACT_SET
) {
658 cpu_to_le16((u16
) (*(u32
*) pdata_buf
));
664 static __le16
lbs_rate_to_fw_bitmap(int rate
, int lower_rates_ok
)
684 int i
= lbs_data_rate_to_fw_index(rate
);
686 ratemask
= (0x1fef >> (12 - i
));
689 return cpu_to_le16(ratemask
);
692 int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private
*priv
,
695 struct cmd_ds_802_11_rate_adapt_rateset cmd
;
698 lbs_deb_enter(LBS_DEB_CMD
);
700 if (!priv
->cur_rate
&& !priv
->enablehwauto
)
703 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
705 cmd
.action
= cpu_to_le16(cmd_action
);
706 cmd
.enablehwauto
= cpu_to_le16(priv
->enablehwauto
);
707 cmd
.bitmap
= lbs_rate_to_fw_bitmap(priv
->cur_rate
, priv
->enablehwauto
);
708 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RATE_ADAPT_RATESET
, &cmd
);
709 if (!ret
&& cmd_action
== CMD_ACT_GET
) {
710 priv
->ratebitmap
= le16_to_cpu(cmd
.bitmap
);
711 priv
->enablehwauto
= le16_to_cpu(cmd
.enablehwauto
);
714 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
717 EXPORT_SYMBOL_GPL(lbs_cmd_802_11_rate_adapt_rateset
);
720 * @brief Set the data rate
722 * @param priv A pointer to struct lbs_private structure
723 * @param rate The desired data rate, or 0 to clear a locked rate
725 * @return 0 on success, error on failure
727 int lbs_set_data_rate(struct lbs_private
*priv
, u8 rate
)
729 struct cmd_ds_802_11_data_rate cmd
;
732 lbs_deb_enter(LBS_DEB_CMD
);
734 memset(&cmd
, 0, sizeof(cmd
));
735 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
738 cmd
.action
= cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE
);
739 cmd
.rates
[0] = lbs_data_rate_to_fw_index(rate
);
740 if (cmd
.rates
[0] == 0) {
741 lbs_deb_cmd("DATA_RATE: invalid requested rate of"
746 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd
.rates
[0]);
748 cmd
.action
= cpu_to_le16(CMD_ACT_SET_TX_AUTO
);
749 lbs_deb_cmd("DATA_RATE: setting auto\n");
752 ret
= lbs_cmd_with_response(priv
, CMD_802_11_DATA_RATE
, &cmd
);
756 lbs_deb_hex(LBS_DEB_CMD
, "DATA_RATE_RESP", (u8
*) &cmd
, sizeof (cmd
));
758 /* FIXME: get actual rates FW can do if this command actually returns
759 * all data rates supported.
761 priv
->cur_rate
= lbs_fw_index_to_data_rate(cmd
.rates
[0]);
762 lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv
->cur_rate
);
765 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
770 * @brief Get the radio channel
772 * @param priv A pointer to struct lbs_private structure
774 * @return The channel on success, error on failure
776 int lbs_get_channel(struct lbs_private
*priv
)
778 struct cmd_ds_802_11_rf_channel cmd
;
781 lbs_deb_enter(LBS_DEB_CMD
);
783 memset(&cmd
, 0, sizeof(cmd
));
784 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
785 cmd
.action
= cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET
);
787 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RF_CHANNEL
, &cmd
);
791 ret
= le16_to_cpu(cmd
.channel
);
792 lbs_deb_cmd("current radio channel is %d\n", ret
);
795 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
799 int lbs_update_channel(struct lbs_private
*priv
)
803 /* the channel in f/w could be out of sync; get the current channel */
804 lbs_deb_enter(LBS_DEB_ASSOC
);
806 ret
= lbs_get_channel(priv
);
808 priv
->curbssparams
.channel
= ret
;
811 lbs_deb_leave_args(LBS_DEB_ASSOC
, "ret %d", ret
);
816 * @brief Set the radio channel
818 * @param priv A pointer to struct lbs_private structure
819 * @param channel The desired channel, or 0 to clear a locked channel
821 * @return 0 on success, error on failure
823 int lbs_set_channel(struct lbs_private
*priv
, u8 channel
)
825 struct cmd_ds_802_11_rf_channel cmd
;
827 u8 old_channel
= priv
->curbssparams
.channel
;
831 lbs_deb_enter(LBS_DEB_CMD
);
833 memset(&cmd
, 0, sizeof(cmd
));
834 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
835 cmd
.action
= cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET
);
836 cmd
.channel
= cpu_to_le16(channel
);
838 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RF_CHANNEL
, &cmd
);
842 priv
->curbssparams
.channel
= (uint8_t) le16_to_cpu(cmd
.channel
);
843 lbs_deb_cmd("channel switch from %d to %d\n", old_channel
,
844 priv
->curbssparams
.channel
);
847 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
851 static int lbs_cmd_802_11_rssi(struct lbs_private
*priv
,
852 struct cmd_ds_command
*cmd
)
855 lbs_deb_enter(LBS_DEB_CMD
);
856 cmd
->command
= cpu_to_le16(CMD_802_11_RSSI
);
857 cmd
->size
= cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi
) + S_DS_GEN
);
858 cmd
->params
.rssi
.N
= cpu_to_le16(DEFAULT_BCN_AVG_FACTOR
);
860 /* reset Beacon SNR/NF/RSSI values */
861 priv
->SNR
[TYPE_BEACON
][TYPE_NOAVG
] = 0;
862 priv
->SNR
[TYPE_BEACON
][TYPE_AVG
] = 0;
863 priv
->NF
[TYPE_BEACON
][TYPE_NOAVG
] = 0;
864 priv
->NF
[TYPE_BEACON
][TYPE_AVG
] = 0;
865 priv
->RSSI
[TYPE_BEACON
][TYPE_NOAVG
] = 0;
866 priv
->RSSI
[TYPE_BEACON
][TYPE_AVG
] = 0;
868 lbs_deb_leave(LBS_DEB_CMD
);
872 static int lbs_cmd_reg_access(struct cmd_ds_command
*cmdptr
,
873 u8 cmd_action
, void *pdata_buf
)
875 struct lbs_offset_value
*offval
;
877 lbs_deb_enter(LBS_DEB_CMD
);
879 offval
= (struct lbs_offset_value
*)pdata_buf
;
881 switch (le16_to_cpu(cmdptr
->command
)) {
882 case CMD_MAC_REG_ACCESS
:
884 struct cmd_ds_mac_reg_access
*macreg
;
887 cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access
)
890 (struct cmd_ds_mac_reg_access
*)&cmdptr
->params
.
893 macreg
->action
= cpu_to_le16(cmd_action
);
894 macreg
->offset
= cpu_to_le16((u16
) offval
->offset
);
895 macreg
->value
= cpu_to_le32(offval
->value
);
900 case CMD_BBP_REG_ACCESS
:
902 struct cmd_ds_bbp_reg_access
*bbpreg
;
906 (struct cmd_ds_bbp_reg_access
)
909 (struct cmd_ds_bbp_reg_access
*)&cmdptr
->params
.
912 bbpreg
->action
= cpu_to_le16(cmd_action
);
913 bbpreg
->offset
= cpu_to_le16((u16
) offval
->offset
);
914 bbpreg
->value
= (u8
) offval
->value
;
919 case CMD_RF_REG_ACCESS
:
921 struct cmd_ds_rf_reg_access
*rfreg
;
925 (struct cmd_ds_rf_reg_access
) +
928 (struct cmd_ds_rf_reg_access
*)&cmdptr
->params
.
931 rfreg
->action
= cpu_to_le16(cmd_action
);
932 rfreg
->offset
= cpu_to_le16((u16
) offval
->offset
);
933 rfreg
->value
= (u8
) offval
->value
;
942 lbs_deb_leave(LBS_DEB_CMD
);
946 static int lbs_cmd_bt_access(struct cmd_ds_command
*cmd
,
947 u16 cmd_action
, void *pdata_buf
)
949 struct cmd_ds_bt_access
*bt_access
= &cmd
->params
.bt
;
950 lbs_deb_enter_args(LBS_DEB_CMD
, "action %d", cmd_action
);
952 cmd
->command
= cpu_to_le16(CMD_BT_ACCESS
);
953 cmd
->size
= cpu_to_le16(sizeof(struct cmd_ds_bt_access
) + S_DS_GEN
);
955 bt_access
->action
= cpu_to_le16(cmd_action
);
957 switch (cmd_action
) {
958 case CMD_ACT_BT_ACCESS_ADD
:
959 memcpy(bt_access
->addr1
, pdata_buf
, 2 * ETH_ALEN
);
960 lbs_deb_hex(LBS_DEB_MESH
, "BT_ADD: blinded MAC addr", bt_access
->addr1
, 6);
962 case CMD_ACT_BT_ACCESS_DEL
:
963 memcpy(bt_access
->addr1
, pdata_buf
, 1 * ETH_ALEN
);
964 lbs_deb_hex(LBS_DEB_MESH
, "BT_DEL: blinded MAC addr", bt_access
->addr1
, 6);
966 case CMD_ACT_BT_ACCESS_LIST
:
967 bt_access
->id
= cpu_to_le32(*(u32
*) pdata_buf
);
969 case CMD_ACT_BT_ACCESS_RESET
:
971 case CMD_ACT_BT_ACCESS_SET_INVERT
:
972 bt_access
->id
= cpu_to_le32(*(u32
*) pdata_buf
);
974 case CMD_ACT_BT_ACCESS_GET_INVERT
:
979 lbs_deb_leave(LBS_DEB_CMD
);
983 static int lbs_cmd_fwt_access(struct cmd_ds_command
*cmd
,
984 u16 cmd_action
, void *pdata_buf
)
986 struct cmd_ds_fwt_access
*fwt_access
= &cmd
->params
.fwt
;
987 lbs_deb_enter_args(LBS_DEB_CMD
, "action %d", cmd_action
);
989 cmd
->command
= cpu_to_le16(CMD_FWT_ACCESS
);
990 cmd
->size
= cpu_to_le16(sizeof(struct cmd_ds_fwt_access
) + S_DS_GEN
);
994 memcpy(fwt_access
, pdata_buf
, sizeof(*fwt_access
));
996 memset(fwt_access
, 0, sizeof(*fwt_access
));
998 fwt_access
->action
= cpu_to_le16(cmd_action
);
1000 lbs_deb_leave(LBS_DEB_CMD
);
1004 int lbs_mesh_access(struct lbs_private
*priv
, uint16_t cmd_action
,
1005 struct cmd_ds_mesh_access
*cmd
)
1009 lbs_deb_enter_args(LBS_DEB_CMD
, "action %d", cmd_action
);
1011 cmd
->hdr
.command
= cpu_to_le16(CMD_MESH_ACCESS
);
1012 cmd
->hdr
.size
= cpu_to_le16(sizeof(*cmd
));
1013 cmd
->hdr
.result
= 0;
1015 cmd
->action
= cpu_to_le16(cmd_action
);
1017 ret
= lbs_cmd_with_response(priv
, CMD_MESH_ACCESS
, cmd
);
1019 lbs_deb_leave(LBS_DEB_CMD
);
1023 static int __lbs_mesh_config_send(struct lbs_private
*priv
,
1024 struct cmd_ds_mesh_config
*cmd
,
1025 uint16_t action
, uint16_t type
)
1029 lbs_deb_enter(LBS_DEB_CMD
);
1031 cmd
->hdr
.command
= cpu_to_le16(CMD_MESH_CONFIG
);
1032 cmd
->hdr
.size
= cpu_to_le16(sizeof(struct cmd_ds_mesh_config
));
1033 cmd
->hdr
.result
= 0;
1035 cmd
->type
= cpu_to_le16(type
);
1036 cmd
->action
= cpu_to_le16(action
);
1038 ret
= lbs_cmd_with_response(priv
, CMD_MESH_CONFIG
, cmd
);
1040 lbs_deb_leave(LBS_DEB_CMD
);
1044 int lbs_mesh_config_send(struct lbs_private
*priv
,
1045 struct cmd_ds_mesh_config
*cmd
,
1046 uint16_t action
, uint16_t type
)
1050 if (!(priv
->fwcapinfo
& FW_CAPINFO_PERSISTENT_CONFIG
))
1053 ret
= __lbs_mesh_config_send(priv
, cmd
, action
, type
);
1057 /* This function is the CMD_MESH_CONFIG legacy function. It only handles the
1058 * START and STOP actions. The extended actions supported by CMD_MESH_CONFIG
1059 * are all handled by preparing a struct cmd_ds_mesh_config and passing it to
1060 * lbs_mesh_config_send.
1062 int lbs_mesh_config(struct lbs_private
*priv
, uint16_t action
, uint16_t chan
)
1064 struct cmd_ds_mesh_config cmd
;
1065 struct mrvl_meshie
*ie
;
1067 memset(&cmd
, 0, sizeof(cmd
));
1068 cmd
.channel
= cpu_to_le16(chan
);
1069 ie
= (struct mrvl_meshie
*)cmd
.data
;
1072 case CMD_ACT_MESH_CONFIG_START
:
1073 ie
->hdr
.id
= MFIE_TYPE_GENERIC
;
1074 ie
->val
.oui
[0] = 0x00;
1075 ie
->val
.oui
[1] = 0x50;
1076 ie
->val
.oui
[2] = 0x43;
1077 ie
->val
.type
= MARVELL_MESH_IE_TYPE
;
1078 ie
->val
.subtype
= MARVELL_MESH_IE_SUBTYPE
;
1079 ie
->val
.version
= MARVELL_MESH_IE_VERSION
;
1080 ie
->val
.active_protocol_id
= MARVELL_MESH_PROTO_ID_HWMP
;
1081 ie
->val
.active_metric_id
= MARVELL_MESH_METRIC_ID
;
1082 ie
->val
.mesh_capability
= MARVELL_MESH_CAPABILITY
;
1083 ie
->val
.mesh_id_len
= priv
->mesh_ssid_len
;
1084 memcpy(ie
->val
.mesh_id
, priv
->mesh_ssid
, priv
->mesh_ssid_len
);
1085 ie
->hdr
.len
= sizeof(struct mrvl_meshie_val
) -
1086 IW_ESSID_MAX_SIZE
+ priv
->mesh_ssid_len
;
1087 cmd
.length
= cpu_to_le16(sizeof(struct mrvl_meshie_val
));
1089 case CMD_ACT_MESH_CONFIG_STOP
:
1094 lbs_deb_cmd("mesh config action %d type %x channel %d SSID %s\n",
1095 action
, priv
->mesh_tlv
, chan
,
1096 escape_essid(priv
->mesh_ssid
, priv
->mesh_ssid_len
));
1098 return __lbs_mesh_config_send(priv
, &cmd
, action
, priv
->mesh_tlv
);
1101 static int lbs_cmd_bcn_ctrl(struct lbs_private
* priv
,
1102 struct cmd_ds_command
*cmd
,
1105 struct cmd_ds_802_11_beacon_control
1106 *bcn_ctrl
= &cmd
->params
.bcn_ctrl
;
1108 lbs_deb_enter(LBS_DEB_CMD
);
1110 cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control
)
1112 cmd
->command
= cpu_to_le16(CMD_802_11_BEACON_CTRL
);
1114 bcn_ctrl
->action
= cpu_to_le16(cmd_action
);
1115 bcn_ctrl
->beacon_enable
= cpu_to_le16(priv
->beacon_enable
);
1116 bcn_ctrl
->beacon_period
= cpu_to_le16(priv
->beacon_period
);
1118 lbs_deb_leave(LBS_DEB_CMD
);
1122 static void lbs_queue_cmd(struct lbs_private
*priv
,
1123 struct cmd_ctrl_node
*cmdnode
)
1125 unsigned long flags
;
1128 lbs_deb_enter(LBS_DEB_HOST
);
1131 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1134 if (!cmdnode
->cmdbuf
->size
) {
1135 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1138 cmdnode
->result
= 0;
1140 /* Exit_PS command needs to be queued in the header always. */
1141 if (le16_to_cpu(cmdnode
->cmdbuf
->command
) == CMD_802_11_PS_MODE
) {
1142 struct cmd_ds_802_11_ps_mode
*psm
= (void *) &cmdnode
->cmdbuf
[1];
1144 if (psm
->action
== cpu_to_le16(CMD_SUBCMD_EXIT_PS
)) {
1145 if (priv
->psstate
!= PS_STATE_FULL_POWER
)
1150 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1153 list_add_tail(&cmdnode
->list
, &priv
->cmdpendingq
);
1155 list_add(&cmdnode
->list
, &priv
->cmdpendingq
);
1157 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1159 lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1160 le16_to_cpu(cmdnode
->cmdbuf
->command
));
1163 lbs_deb_leave(LBS_DEB_HOST
);
1166 static void lbs_submit_command(struct lbs_private
*priv
,
1167 struct cmd_ctrl_node
*cmdnode
)
1169 unsigned long flags
;
1170 struct cmd_header
*cmd
;
1176 lbs_deb_enter(LBS_DEB_HOST
);
1178 cmd
= cmdnode
->cmdbuf
;
1180 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1181 priv
->cur_cmd
= cmdnode
;
1182 priv
->cur_cmd_retcode
= 0;
1183 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1185 cmdsize
= le16_to_cpu(cmd
->size
);
1186 command
= le16_to_cpu(cmd
->command
);
1188 /* These commands take longer */
1189 if (command
== CMD_802_11_SCAN
|| command
== CMD_802_11_ASSOCIATE
||
1190 command
== CMD_802_11_AUTHENTICATE
)
1193 lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d\n",
1194 command
, le16_to_cpu(cmd
->seqnum
), cmdsize
);
1195 lbs_deb_hex(LBS_DEB_CMD
, "DNLD_CMD", (void *) cmdnode
->cmdbuf
, cmdsize
);
1197 ret
= priv
->hw_host_to_card(priv
, MVMS_CMD
, (u8
*) cmd
, cmdsize
);
1200 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret
);
1201 /* Let the timer kick in and retry, and potentially reset
1202 the whole thing if the condition persists */
1206 /* Setup the timer after transmit command */
1207 mod_timer(&priv
->command_timer
, jiffies
+ timeo
);
1209 lbs_deb_leave(LBS_DEB_HOST
);
1213 * This function inserts command node to cmdfreeq
1214 * after cleans it. Requires priv->driver_lock held.
1216 static void __lbs_cleanup_and_insert_cmd(struct lbs_private
*priv
,
1217 struct cmd_ctrl_node
*cmdnode
)
1219 lbs_deb_enter(LBS_DEB_HOST
);
1224 cmdnode
->callback
= NULL
;
1225 cmdnode
->callback_arg
= 0;
1227 memset(cmdnode
->cmdbuf
, 0, LBS_CMD_BUFFER_SIZE
);
1229 list_add_tail(&cmdnode
->list
, &priv
->cmdfreeq
);
1231 lbs_deb_leave(LBS_DEB_HOST
);
1234 static void lbs_cleanup_and_insert_cmd(struct lbs_private
*priv
,
1235 struct cmd_ctrl_node
*ptempcmd
)
1237 unsigned long flags
;
1239 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1240 __lbs_cleanup_and_insert_cmd(priv
, ptempcmd
);
1241 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1244 void lbs_complete_command(struct lbs_private
*priv
, struct cmd_ctrl_node
*cmd
,
1247 if (cmd
== priv
->cur_cmd
)
1248 priv
->cur_cmd_retcode
= result
;
1250 cmd
->result
= result
;
1251 cmd
->cmdwaitqwoken
= 1;
1252 wake_up_interruptible(&cmd
->cmdwait_q
);
1254 if (!cmd
->callback
|| cmd
->callback
== lbs_cmd_async_callback
)
1255 __lbs_cleanup_and_insert_cmd(priv
, cmd
);
1256 priv
->cur_cmd
= NULL
;
1259 int lbs_set_radio(struct lbs_private
*priv
, u8 preamble
, u8 radio_on
)
1261 struct cmd_ds_802_11_radio_control cmd
;
1264 lbs_deb_enter(LBS_DEB_CMD
);
1266 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
1267 cmd
.action
= cpu_to_le16(CMD_ACT_SET
);
1269 /* Only v8 and below support setting the preamble */
1270 if (priv
->fwrelease
< 0x09000000) {
1272 case RADIO_PREAMBLE_SHORT
:
1273 if (!(priv
->capability
& WLAN_CAPABILITY_SHORT_PREAMBLE
))
1276 case RADIO_PREAMBLE_AUTO
:
1277 case RADIO_PREAMBLE_LONG
:
1278 cmd
.control
= cpu_to_le16(preamble
);
1286 cmd
.control
|= cpu_to_le16(0x1);
1288 cmd
.control
&= cpu_to_le16(~0x1);
1289 priv
->txpower_cur
= 0;
1292 lbs_deb_cmd("RADIO_CONTROL: radio %s, preamble %d\n",
1293 radio_on
? "ON" : "OFF", preamble
);
1295 priv
->radio_on
= radio_on
;
1297 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RADIO_CONTROL
, &cmd
);
1300 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
1304 void lbs_set_mac_control(struct lbs_private
*priv
)
1306 struct cmd_ds_mac_control cmd
;
1308 lbs_deb_enter(LBS_DEB_CMD
);
1310 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
1311 cmd
.action
= cpu_to_le16(priv
->mac_control
);
1314 lbs_cmd_async(priv
, CMD_MAC_CONTROL
, &cmd
.hdr
, sizeof(cmd
));
1316 lbs_deb_leave(LBS_DEB_CMD
);
1320 * @brief This function prepare the command before send to firmware.
1322 * @param priv A pointer to struct lbs_private structure
1323 * @param cmd_no command number
1324 * @param cmd_action command action: GET or SET
1325 * @param wait_option wait option: wait response or not
1326 * @param cmd_oid cmd oid: treated as sub command
1327 * @param pdata_buf A pointer to informaion buffer
1330 int lbs_prepare_and_send_command(struct lbs_private
*priv
,
1333 u16 wait_option
, u32 cmd_oid
, void *pdata_buf
)
1336 struct cmd_ctrl_node
*cmdnode
;
1337 struct cmd_ds_command
*cmdptr
;
1338 unsigned long flags
;
1340 lbs_deb_enter(LBS_DEB_HOST
);
1343 lbs_deb_host("PREP_CMD: priv is NULL\n");
1348 if (priv
->surpriseremoved
) {
1349 lbs_deb_host("PREP_CMD: card removed\n");
1354 cmdnode
= lbs_get_cmd_ctrl_node(priv
);
1356 if (cmdnode
== NULL
) {
1357 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1359 /* Wake up main thread to execute next command */
1360 wake_up_interruptible(&priv
->waitq
);
1365 cmdnode
->callback
= NULL
;
1366 cmdnode
->callback_arg
= (unsigned long)pdata_buf
;
1368 cmdptr
= (struct cmd_ds_command
*)cmdnode
->cmdbuf
;
1370 lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no
);
1372 /* Set sequence number, command and INT option */
1374 cmdptr
->seqnum
= cpu_to_le16(priv
->seqnum
);
1376 cmdptr
->command
= cpu_to_le16(cmd_no
);
1380 case CMD_802_11_PS_MODE
:
1381 ret
= lbs_cmd_802_11_ps_mode(cmdptr
, cmd_action
);
1384 case CMD_802_11_ASSOCIATE
:
1385 case CMD_802_11_REASSOCIATE
:
1386 ret
= lbs_cmd_80211_associate(priv
, cmdptr
, pdata_buf
);
1389 case CMD_802_11_AUTHENTICATE
:
1390 ret
= lbs_cmd_80211_authenticate(priv
, cmdptr
, pdata_buf
);
1393 case CMD_MAC_REG_ACCESS
:
1394 case CMD_BBP_REG_ACCESS
:
1395 case CMD_RF_REG_ACCESS
:
1396 ret
= lbs_cmd_reg_access(cmdptr
, cmd_action
, pdata_buf
);
1399 case CMD_802_11_MONITOR_MODE
:
1400 ret
= lbs_cmd_802_11_monitor_mode(cmdptr
,
1401 cmd_action
, pdata_buf
);
1404 case CMD_802_11_RSSI
:
1405 ret
= lbs_cmd_802_11_rssi(priv
, cmdptr
);
1408 case CMD_802_11_SET_AFC
:
1409 case CMD_802_11_GET_AFC
:
1411 cmdptr
->command
= cpu_to_le16(cmd_no
);
1412 cmdptr
->size
= cpu_to_le16(sizeof(struct cmd_ds_802_11_afc
) +
1415 memmove(&cmdptr
->params
.afc
,
1416 pdata_buf
, sizeof(struct cmd_ds_802_11_afc
));
1421 case CMD_802_11D_DOMAIN_INFO
:
1422 ret
= lbs_cmd_802_11d_domain_info(priv
, cmdptr
,
1423 cmd_no
, cmd_action
);
1426 case CMD_802_11_TPC_CFG
:
1427 cmdptr
->command
= cpu_to_le16(CMD_802_11_TPC_CFG
);
1429 cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg
) +
1432 memmove(&cmdptr
->params
.tpccfg
,
1433 pdata_buf
, sizeof(struct cmd_ds_802_11_tpc_cfg
));
1437 case CMD_802_11_LED_GPIO_CTRL
:
1439 struct mrvlietypes_ledgpio
*gpio
=
1440 (struct mrvlietypes_ledgpio
*)
1441 cmdptr
->params
.ledgpio
.data
;
1443 memmove(&cmdptr
->params
.ledgpio
,
1445 sizeof(struct cmd_ds_802_11_led_ctrl
));
1448 cpu_to_le16(CMD_802_11_LED_GPIO_CTRL
);
1450 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1452 cpu_to_le16(le16_to_cpu(gpio
->header
.len
)
1454 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN
);
1455 gpio
->header
.len
= gpio
->header
.len
;
1462 ret
= lbs_cmd_bt_access(cmdptr
, cmd_action
, pdata_buf
);
1465 case CMD_FWT_ACCESS
:
1466 ret
= lbs_cmd_fwt_access(cmdptr
, cmd_action
, pdata_buf
);
1470 cmdptr
->command
= cpu_to_le16(CMD_GET_TSF
);
1471 cmdptr
->size
= cpu_to_le16(sizeof(struct cmd_ds_get_tsf
) +
1475 case CMD_802_11_BEACON_CTRL
:
1476 ret
= lbs_cmd_bcn_ctrl(priv
, cmdptr
, cmd_action
);
1479 lbs_pr_err("PREP_CMD: unknown command 0x%04x\n", cmd_no
);
1484 /* return error, since the command preparation failed */
1486 lbs_deb_host("PREP_CMD: command preparation failed\n");
1487 lbs_cleanup_and_insert_cmd(priv
, cmdnode
);
1492 cmdnode
->cmdwaitqwoken
= 0;
1494 lbs_queue_cmd(priv
, cmdnode
);
1495 wake_up_interruptible(&priv
->waitq
);
1497 if (wait_option
& CMD_OPTION_WAITFORRSP
) {
1498 lbs_deb_host("PREP_CMD: wait for response\n");
1500 wait_event_interruptible(cmdnode
->cmdwait_q
,
1501 cmdnode
->cmdwaitqwoken
);
1504 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1505 if (priv
->cur_cmd_retcode
) {
1506 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1507 priv
->cur_cmd_retcode
);
1508 priv
->cur_cmd_retcode
= 0;
1511 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1514 lbs_deb_leave_args(LBS_DEB_HOST
, "ret %d", ret
);
1519 * @brief This function allocates the command buffer and link
1520 * it to command free queue.
1522 * @param priv A pointer to struct lbs_private structure
1525 int lbs_allocate_cmd_buffer(struct lbs_private
*priv
)
1530 struct cmd_ctrl_node
*cmdarray
;
1532 lbs_deb_enter(LBS_DEB_HOST
);
1534 /* Allocate and initialize the command array */
1535 bufsize
= sizeof(struct cmd_ctrl_node
) * LBS_NUM_CMD_BUFFERS
;
1536 if (!(cmdarray
= kzalloc(bufsize
, GFP_KERNEL
))) {
1537 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1541 priv
->cmd_array
= cmdarray
;
1543 /* Allocate and initialize each command buffer in the command array */
1544 for (i
= 0; i
< LBS_NUM_CMD_BUFFERS
; i
++) {
1545 cmdarray
[i
].cmdbuf
= kzalloc(LBS_CMD_BUFFER_SIZE
, GFP_KERNEL
);
1546 if (!cmdarray
[i
].cmdbuf
) {
1547 lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1553 for (i
= 0; i
< LBS_NUM_CMD_BUFFERS
; i
++) {
1554 init_waitqueue_head(&cmdarray
[i
].cmdwait_q
);
1555 lbs_cleanup_and_insert_cmd(priv
, &cmdarray
[i
]);
1560 lbs_deb_leave_args(LBS_DEB_HOST
, "ret %d", ret
);
1565 * @brief This function frees the command buffer.
1567 * @param priv A pointer to struct lbs_private structure
1570 int lbs_free_cmd_buffer(struct lbs_private
*priv
)
1572 struct cmd_ctrl_node
*cmdarray
;
1575 lbs_deb_enter(LBS_DEB_HOST
);
1577 /* need to check if cmd array is allocated or not */
1578 if (priv
->cmd_array
== NULL
) {
1579 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1583 cmdarray
= priv
->cmd_array
;
1585 /* Release shared memory buffers */
1586 for (i
= 0; i
< LBS_NUM_CMD_BUFFERS
; i
++) {
1587 if (cmdarray
[i
].cmdbuf
) {
1588 kfree(cmdarray
[i
].cmdbuf
);
1589 cmdarray
[i
].cmdbuf
= NULL
;
1593 /* Release cmd_ctrl_node */
1594 if (priv
->cmd_array
) {
1595 kfree(priv
->cmd_array
);
1596 priv
->cmd_array
= NULL
;
1600 lbs_deb_leave(LBS_DEB_HOST
);
1605 * @brief This function gets a free command node if available in
1606 * command free queue.
1608 * @param priv A pointer to struct lbs_private structure
1609 * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1611 static struct cmd_ctrl_node
*lbs_get_cmd_ctrl_node(struct lbs_private
*priv
)
1613 struct cmd_ctrl_node
*tempnode
;
1614 unsigned long flags
;
1616 lbs_deb_enter(LBS_DEB_HOST
);
1621 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1623 if (!list_empty(&priv
->cmdfreeq
)) {
1624 tempnode
= list_first_entry(&priv
->cmdfreeq
,
1625 struct cmd_ctrl_node
, list
);
1626 list_del(&tempnode
->list
);
1628 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1632 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1634 lbs_deb_leave(LBS_DEB_HOST
);
1639 * @brief This function executes next command in command
1640 * pending queue. It will put fimware back to PS mode
1643 * @param priv A pointer to struct lbs_private structure
1646 int lbs_execute_next_command(struct lbs_private
*priv
)
1648 struct cmd_ctrl_node
*cmdnode
= NULL
;
1649 struct cmd_header
*cmd
;
1650 unsigned long flags
;
1653 /* Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1654 * only caller to us is lbs_thread() and we get even when a
1655 * data packet is received */
1656 lbs_deb_enter(LBS_DEB_THREAD
);
1658 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1660 if (priv
->cur_cmd
) {
1661 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1662 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1667 if (!list_empty(&priv
->cmdpendingq
)) {
1668 cmdnode
= list_first_entry(&priv
->cmdpendingq
,
1669 struct cmd_ctrl_node
, list
);
1672 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1675 cmd
= cmdnode
->cmdbuf
;
1677 if (is_command_allowed_in_ps(le16_to_cpu(cmd
->command
))) {
1678 if ((priv
->psstate
== PS_STATE_SLEEP
) ||
1679 (priv
->psstate
== PS_STATE_PRE_SLEEP
)) {
1681 "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1682 le16_to_cpu(cmd
->command
),
1687 lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1688 "0x%04x in psstate %d\n",
1689 le16_to_cpu(cmd
->command
), priv
->psstate
);
1690 } else if (priv
->psstate
!= PS_STATE_FULL_POWER
) {
1692 * 1. Non-PS command:
1693 * Queue it. set needtowakeup to TRUE if current state
1694 * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1695 * 2. PS command but not Exit_PS:
1697 * 3. PS command Exit_PS:
1698 * Set needtowakeup to TRUE if current state is SLEEP,
1699 * otherwise send this command down to firmware
1702 if (cmd
->command
!= cpu_to_le16(CMD_802_11_PS_MODE
)) {
1703 /* Prepare to send Exit PS,
1704 * this non PS command will be sent later */
1705 if ((priv
->psstate
== PS_STATE_SLEEP
)
1706 || (priv
->psstate
== PS_STATE_PRE_SLEEP
)
1708 /* w/ new scheme, it will not reach here.
1709 since it is blocked in main_thread. */
1710 priv
->needtowakeup
= 1;
1712 lbs_ps_wakeup(priv
, 0);
1718 * PS command. Ignore it if it is not Exit_PS.
1719 * otherwise send it down immediately.
1721 struct cmd_ds_802_11_ps_mode
*psm
= (void *)&cmd
[1];
1724 "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1727 cpu_to_le16(CMD_SUBCMD_EXIT_PS
)) {
1729 "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1730 list_del(&cmdnode
->list
);
1731 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1732 lbs_complete_command(priv
, cmdnode
, 0);
1733 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1739 if ((priv
->psstate
== PS_STATE_SLEEP
) ||
1740 (priv
->psstate
== PS_STATE_PRE_SLEEP
)) {
1742 "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1743 list_del(&cmdnode
->list
);
1744 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1745 lbs_complete_command(priv
, cmdnode
, 0);
1746 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1747 priv
->needtowakeup
= 1;
1754 "EXEC_NEXT_CMD: sending EXIT_PS\n");
1757 list_del(&cmdnode
->list
);
1758 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1759 le16_to_cpu(cmd
->command
));
1760 lbs_submit_command(priv
, cmdnode
);
1763 * check if in power save mode, if yes, put the device back
1766 if ((priv
->psmode
!= LBS802_11POWERMODECAM
) &&
1767 (priv
->psstate
== PS_STATE_FULL_POWER
) &&
1768 ((priv
->connect_status
== LBS_CONNECTED
) ||
1769 (priv
->mesh_connect_status
== LBS_CONNECTED
))) {
1770 if (priv
->secinfo
.WPAenabled
||
1771 priv
->secinfo
.WPA2enabled
) {
1772 /* check for valid WPA group keys */
1773 if (priv
->wpa_mcast_key
.len
||
1774 priv
->wpa_unicast_key
.len
) {
1776 "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1777 " go back to PS_SLEEP");
1778 lbs_ps_sleep(priv
, 0);
1782 "EXEC_NEXT_CMD: cmdpendingq empty, "
1783 "go back to PS_SLEEP");
1784 lbs_ps_sleep(priv
, 0);
1791 lbs_deb_leave(LBS_DEB_THREAD
);
1795 void lbs_send_iwevcustom_event(struct lbs_private
*priv
, s8
*str
)
1797 union iwreq_data iwrq
;
1800 lbs_deb_enter(LBS_DEB_WEXT
);
1802 memset(&iwrq
, 0, sizeof(union iwreq_data
));
1803 memset(buf
, 0, sizeof(buf
));
1805 snprintf(buf
, sizeof(buf
) - 1, "%s", str
);
1807 iwrq
.data
.length
= strlen(buf
) + 1 + IW_EV_LCP_LEN
;
1809 /* Send Event to upper layer */
1810 lbs_deb_wext("event indication string %s\n", (char *)buf
);
1811 lbs_deb_wext("event indication length %d\n", iwrq
.data
.length
);
1812 lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str
);
1814 wireless_send_event(priv
->dev
, IWEVCUSTOM
, &iwrq
, buf
);
1816 lbs_deb_leave(LBS_DEB_WEXT
);
1819 static void lbs_send_confirmsleep(struct lbs_private
*priv
)
1821 unsigned long flags
;
1824 lbs_deb_enter(LBS_DEB_HOST
);
1825 lbs_deb_hex(LBS_DEB_HOST
, "sleep confirm", (u8
*) &confirm_sleep
,
1826 sizeof(confirm_sleep
));
1828 ret
= priv
->hw_host_to_card(priv
, MVMS_CMD
, (u8
*) &confirm_sleep
,
1829 sizeof(confirm_sleep
));
1831 lbs_pr_alert("confirm_sleep failed\n");
1835 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1837 /* We don't get a response on the sleep-confirmation */
1838 priv
->dnld_sent
= DNLD_RES_RECEIVED
;
1840 /* If nothing to do, go back to sleep (?) */
1841 if (!__kfifo_len(priv
->event_fifo
) && !priv
->resp_len
[priv
->resp_idx
])
1842 priv
->psstate
= PS_STATE_SLEEP
;
1844 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1847 lbs_deb_leave(LBS_DEB_HOST
);
1850 void lbs_ps_sleep(struct lbs_private
*priv
, int wait_option
)
1852 lbs_deb_enter(LBS_DEB_HOST
);
1855 * PS is currently supported only in Infrastructure mode
1856 * Remove this check if it is to be supported in IBSS mode also
1859 lbs_prepare_and_send_command(priv
, CMD_802_11_PS_MODE
,
1860 CMD_SUBCMD_ENTER_PS
, wait_option
, 0, NULL
);
1862 lbs_deb_leave(LBS_DEB_HOST
);
1866 * @brief This function sends Exit_PS command to firmware.
1868 * @param priv A pointer to struct lbs_private structure
1869 * @param wait_option wait response or not
1872 void lbs_ps_wakeup(struct lbs_private
*priv
, int wait_option
)
1876 lbs_deb_enter(LBS_DEB_HOST
);
1878 Localpsmode
= cpu_to_le32(LBS802_11POWERMODECAM
);
1880 lbs_prepare_and_send_command(priv
, CMD_802_11_PS_MODE
,
1882 wait_option
, 0, &Localpsmode
);
1884 lbs_deb_leave(LBS_DEB_HOST
);
1888 * @brief This function checks condition and prepares to
1889 * send sleep confirm command to firmware if ok.
1891 * @param priv A pointer to struct lbs_private structure
1892 * @param psmode Power Saving mode
1895 void lbs_ps_confirm_sleep(struct lbs_private
*priv
)
1897 unsigned long flags
=0;
1900 lbs_deb_enter(LBS_DEB_HOST
);
1902 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1903 if (priv
->dnld_sent
) {
1905 lbs_deb_host("dnld_sent was set\n");
1908 /* In-progress command? */
1909 if (priv
->cur_cmd
) {
1911 lbs_deb_host("cur_cmd was set\n");
1914 /* Pending events or command responses? */
1915 if (__kfifo_len(priv
->event_fifo
) || priv
->resp_len
[priv
->resp_idx
]) {
1917 lbs_deb_host("pending events or command responses\n");
1919 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1922 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
1923 lbs_send_confirmsleep(priv
);
1925 lbs_deb_host("sleep confirm has been delayed\n");
1928 lbs_deb_leave(LBS_DEB_HOST
);
1933 * @brief Configures the transmission power control functionality.
1935 * @param priv A pointer to struct lbs_private structure
1936 * @param enable Transmission power control enable
1937 * @param p0 Power level when link quality is good (dBm).
1938 * @param p1 Power level when link quality is fair (dBm).
1939 * @param p2 Power level when link quality is poor (dBm).
1940 * @param usesnr Use Signal to Noise Ratio in TPC
1942 * @return 0 on success
1944 int lbs_set_tpc_cfg(struct lbs_private
*priv
, int enable
, int8_t p0
, int8_t p1
,
1945 int8_t p2
, int usesnr
)
1947 struct cmd_ds_802_11_tpc_cfg cmd
;
1950 memset(&cmd
, 0, sizeof(cmd
));
1951 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
1952 cmd
.action
= cpu_to_le16(CMD_ACT_SET
);
1953 cmd
.enable
= !!enable
;
1954 cmd
.usesnr
= !!usesnr
;
1959 ret
= lbs_cmd_with_response(priv
, CMD_802_11_TPC_CFG
, &cmd
);
1965 * @brief Configures the power adaptation settings.
1967 * @param priv A pointer to struct lbs_private structure
1968 * @param enable Power adaptation enable
1969 * @param p0 Power level for 1, 2, 5.5 and 11 Mbps (dBm).
1970 * @param p1 Power level for 6, 9, 12, 18, 22, 24 and 36 Mbps (dBm).
1971 * @param p2 Power level for 48 and 54 Mbps (dBm).
1973 * @return 0 on Success
1976 int lbs_set_power_adapt_cfg(struct lbs_private
*priv
, int enable
, int8_t p0
,
1977 int8_t p1
, int8_t p2
)
1979 struct cmd_ds_802_11_pa_cfg cmd
;
1982 memset(&cmd
, 0, sizeof(cmd
));
1983 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
1984 cmd
.action
= cpu_to_le16(CMD_ACT_SET
);
1985 cmd
.enable
= !!enable
;
1990 ret
= lbs_cmd_with_response(priv
, CMD_802_11_PA_CFG
, &cmd
);
1996 static struct cmd_ctrl_node
*__lbs_cmd_async(struct lbs_private
*priv
,
1997 uint16_t command
, struct cmd_header
*in_cmd
, int in_cmd_size
,
1998 int (*callback
)(struct lbs_private
*, unsigned long, struct cmd_header
*),
1999 unsigned long callback_arg
)
2001 struct cmd_ctrl_node
*cmdnode
;
2003 lbs_deb_enter(LBS_DEB_HOST
);
2005 if (priv
->surpriseremoved
) {
2006 lbs_deb_host("PREP_CMD: card removed\n");
2007 cmdnode
= ERR_PTR(-ENOENT
);
2011 cmdnode
= lbs_get_cmd_ctrl_node(priv
);
2012 if (cmdnode
== NULL
) {
2013 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2015 /* Wake up main thread to execute next command */
2016 wake_up_interruptible(&priv
->waitq
);
2017 cmdnode
= ERR_PTR(-ENOBUFS
);
2021 cmdnode
->callback
= callback
;
2022 cmdnode
->callback_arg
= callback_arg
;
2024 /* Copy the incoming command to the buffer */
2025 memcpy(cmdnode
->cmdbuf
, in_cmd
, in_cmd_size
);
2027 /* Set sequence number, clean result, move to buffer */
2029 cmdnode
->cmdbuf
->command
= cpu_to_le16(command
);
2030 cmdnode
->cmdbuf
->size
= cpu_to_le16(in_cmd_size
);
2031 cmdnode
->cmdbuf
->seqnum
= cpu_to_le16(priv
->seqnum
);
2032 cmdnode
->cmdbuf
->result
= 0;
2034 lbs_deb_host("PREP_CMD: command 0x%04x\n", command
);
2036 cmdnode
->cmdwaitqwoken
= 0;
2037 lbs_queue_cmd(priv
, cmdnode
);
2038 wake_up_interruptible(&priv
->waitq
);
2041 lbs_deb_leave_args(LBS_DEB_HOST
, "ret %p", cmdnode
);
2045 void lbs_cmd_async(struct lbs_private
*priv
, uint16_t command
,
2046 struct cmd_header
*in_cmd
, int in_cmd_size
)
2048 lbs_deb_enter(LBS_DEB_CMD
);
2049 __lbs_cmd_async(priv
, command
, in_cmd
, in_cmd_size
,
2050 lbs_cmd_async_callback
, 0);
2051 lbs_deb_leave(LBS_DEB_CMD
);
2054 int __lbs_cmd(struct lbs_private
*priv
, uint16_t command
,
2055 struct cmd_header
*in_cmd
, int in_cmd_size
,
2056 int (*callback
)(struct lbs_private
*, unsigned long, struct cmd_header
*),
2057 unsigned long callback_arg
)
2059 struct cmd_ctrl_node
*cmdnode
;
2060 unsigned long flags
;
2063 lbs_deb_enter(LBS_DEB_HOST
);
2065 cmdnode
= __lbs_cmd_async(priv
, command
, in_cmd
, in_cmd_size
,
2066 callback
, callback_arg
);
2067 if (IS_ERR(cmdnode
)) {
2068 ret
= PTR_ERR(cmdnode
);
2073 wait_event_interruptible(cmdnode
->cmdwait_q
, cmdnode
->cmdwaitqwoken
);
2075 spin_lock_irqsave(&priv
->driver_lock
, flags
);
2076 ret
= cmdnode
->result
;
2078 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
2081 __lbs_cleanup_and_insert_cmd(priv
, cmdnode
);
2082 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
2085 lbs_deb_leave_args(LBS_DEB_HOST
, "ret %d", ret
);
2088 EXPORT_SYMBOL_GPL(__lbs_cmd
);